What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 14.51°C. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

58.1

°F

April 19, 11:26

Trend:

stable

Yesterday:

58.2°F

Tomorrow:

58.2°F

Sunrise:

05:44

Sunset:

18:52

Day Length:

13 h. 8 min.

Fukuoka in April

Minimum:

57.5°F

Average:

58.9°F

Maximum:

61.3°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 58.1°F. Swimming in water of this temperature is considered as extremely cold, and there's a substantial risk of hypothermia if exposed for more than a brief duration. Today's reading is 1.8°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to stay about the same.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 61.2°F on 2024, while the historical minimum was 58.0°F on 2015.

latest data

last year

Observations from the last two weeks indicate that the water temperature was in proximity to the lowest values recorded on those days in the past. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 58.8°F, with minimum temperature starting at 58.2°F, while the maximum might reach 59.5°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
Apr 5	56.2°F	56.1°F	57.5°F
Apr 6	55.7°F	58.3°F	57.7°F
Apr 7	56.5°F	58.5°F	57.9°F
Apr 8	56.1°F	58.5°F	57.9°F
Apr 9	57.9°F	58.7°F	58.4°F
Apr 10	58.0°F	59.1°F	58.8°F
Apr 11	57.8°F	59.0°F	58.9°F
Apr 12	58.8°F	59.2°F	58.8°F
Apr 13	59.3°F	59.2°F	59.1°F
Apr 14	58.5°F	60.3°F	59.1°F
Apr 15	58.3°F	60.2°F	59.1°F
Apr 16	57.3°F	60.1°F	59.3°F
Apr 17	57.7°F	60.4°F	59.5°F
Apr 18	58.2°F	61.1°F	60.0°F
Apr 19	58.1°F	61.2°F	59.9°F
Apr 20	58.2°F	61.2°F	60.0°F
Apr 21	58.3°F	61.1°F	60.1°F
Apr 22	58.6°F	61.1°F	60.4°F
Apr 23	58.8°F	61.0°F	60.6°F
Apr 24	59.1°F	61.1°F	60.9°F
Apr 25	59.3°F	62.3°F	61.1°F
Apr 26	59.5°F	62.4°F	61.3°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 109 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.4°F in Summer, and 73.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	58.5°F	30mi
Shimonoseki	58.1°F	39mi
Kumamoto	60.0°F	57mi
Nagasaki	61.5°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka